Long-range transport of polycyclic aromatic hydrocarbons from China to Japan
Long-range transport of polycyclic aromatic hydrocarbons from China to Japan
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DOI：
10.1016/j.atmosenv.2006.11.052
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发表时间：
2007-04
影响因子：
5
通讯作者：
Xiaoyang Yang;Y. Okada;N. Tang;S. Matsunaga;K. Tamura;Jin-Ming Lin;T. Kameda;A. Toriba;K. Hayakawa
中科院分区：
文献类型：
--
作者：
Xiaoyang Yang;Y. Okada;N. Tang;S. Matsunaga;K. Tamura;Jin-Ming Lin;T. Kameda;A. Toriba;K. Hayakawa
从2004年9月17日至2005年9月16日，在日本石川的诺托半岛的Wajima，通过带石英过滤器的大容量空气采样器每周收集空气颗粒物。采用高效液相色谱-荧光检测法对滤纸中的多环芳烃进行了分析。轮岛大气中多环芳烃的浓度在中国采暖期（当燃煤取暖）高于非采暖期。气象分析表明，在轮岛的加热期间收集的空气样品主要是从中国东北地区经日本海输送过来的。9种多环芳烃的主成分分析结果表明，多环芳烃主要来源于中国。这些结果有力地表明，在轮岛检测到的高水平的多环芳烃是来自中国的长距离传输的结果。
Airborne particulate matter was collected at Wajima, on the Noto Peninsula, Ishikawa, Japan by a high-volume air sampler with a quartz filter every week from 17 September 2004 to 16 September 2005. Polycyclic aromatic hydrocarbons (PAHs) extracted from filters were analyzed by HPLC with fluorescence detection. The atmospheric concentrations of PAHs at Wajima were higher during the heating period of China (when coal is burned for heat) than during the no-heating period. A meteorological analysis indicated that the air samples collected in that heating period at Wajima were transported mainly from Northeast China over the Japan Sea. Principal component analysis of nine PAHs indicated a Chinese origin of the PAHs. These results strongly suggest that the high-level PAHs detected at Wajima were the result of long-range transport from China.